<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>SVG</title>
</head>
<body>
    <svg viewBox="-30 -30 120 120" version="1.1" width="150" height="150">
        <circle r="50", cx="60",cy="60"></circle>
    </svg>
</body>
</html>